ACQ550-U1 User’s Manual 259
Diagnostics
2007 AI2 LOSS Analog input 2 is lost, or value is less than the minimum setting.
Check:
• Input source and connections.
• Parameter that sets the minimum (3022).
• Parameter that sets the alarm/fault operation (3001).
2008
PANEL LOSS Panel communication is lost and either:
• Drive is in local control mode (the control panel displays LOC), or
• Drive is in remote control mode (AUTO) and is parameterized to
accept start/stop, direction or reference from the control panel.
To correct check:
• Communication lines and connections.
• Parameter 3002
PANEL COMM ERR.
• Parameters in Group 10: START/STOP/DIR and Group 11:
REFERENCE SELECT (if drive operation is REM).
2009
DEVICE
OVERTEMP
Drive heatsink is hot. This alarm warns that a DEVICE OVERTEMP fault
may be near.
R1…R4: 100 °C (212 °F)
R5, R6: 110 °C (230 °F)
Check for and correct:
• Fan failure.
• Obstructions in the air flow.
• Dirt or dust coating on the heat sink.
• Excessive ambient temperature.
• Excessive motor load.
2010
MOTOR TEMP Motor is hot, based on either the drive’s estimate or on temperature
feedback. This alarm warns that a
MOT OVERTEMP fault trip may be
near. Check:
• Check for overloaded motor.
• Adjust the parameters used for the estimate (3005…3009).
• Check the temperature sensors and Group 35: MOTOR TEMP
MEAS.
2011
RESERVED Not used.
2012
MOTOR STALL Motor is operating in the stall region. This alarm warns that a MOTOR
STALL fault trip may be near.
2013
(Note 1)
AUTORESET This alarm warns that the drive is about to perform an automatic fault
reset, which may start the motor.
• To control automatic reset, use Group 31: AUTOMATIC RESET.
2014
(Note 1)
AUTOCHANGE This alarm warns that the PFC autochange function is active.
• To control PFC, use Group 81: PFC CONTROL and the PFC macro
on page 64.
2015
PFC I LOCK This alarm warns that the PFC interlocks are active, which means that
the drive cannot start the following:
• Any motor (when Autochange is used).
• The speed regulated motor (when Autochange is not used).
2016/
2017
RESERVED Not used.
Alarm
code
Display Description